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US Patent: 498,220
Tool for Dressing Emery Wheels
Patentee:
William P. Alger (exact or similar names) - West Troy, Albany County, NY

USPTO Classifications:
125/37

Tool Categories:
metalworking machines : grinders : grinder dressers

Assignees:
Charles C. Kelly - West Troy, Albany County, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 18, 1892
Granted: May 30, 1893

Patent Pictures:
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